Home / 14,389.73-21,592.82-7,816.49

Finding the Fourth Proportional to 14,389.73, 21,592.82 and 7,816.49

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Solution

The fourth proportional to 14,389.73, 21,592.82 and 7,816.49 is: 11,729.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,389.73 : 21,592.82 = 7,816.49 : x
  2. Step 2: Convert to fraction form
    14,389.73/21,592.82 = 7,816.49/x
  3. Step 3: Cross multiply
    14,389.73x = 21,592.82 × 7,816.49
  4. Step 4: Simplify right side
    14,389.73x = 168,780,061.60
  5. Step 5: Solve for x
    x = 168,780,061.60/14,389.73
  6. Step 6: Final answer
    x = 11,729.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.